Table 2. Immunohistochemical results and cell of origin (COO) determined according to Hans’s algorithm in PB-DLBCL.

SAMPLE	CD10	CD20	BCL6	BCL2	MUM1	Ki67	COO
01	+	+	+	+	ND	96%	GCB
03	–	+	+	+	–	70%	GCB
04	+	+	+	–	–	80%	GCB
05	+	+	+	+	ND	80%	GCB
06	ND	+	+	+	–	80%	GCB
07	ND	+	+	+	–	90%	GCB
08	–	+	+	+	–	80%	GCB
09	–	+	+	+	–	85%	GCB
02	–	+	–	+	ND	59%	Non-GCB
10	–	+	+	+	+	80%	Non-GCB
11	–	+	–	–	+	100%	Non-GCB
12a	ND	+	ND	ND	ND	98%	ND
12b	–	+	+	+	+	98%	Non-GCB
15	ND	+	+	+	+	80%	Non-GCB
16	–	+	+	+	+	80%	Non-GCB
17	–	+	+	+	+	80%	Non-GCB
13	ND	+	ND	ND	ND	90%	ND
14	–	+	+	+	ND	100%	ND

GCB: germinal center B-cell; non-GCB: non-germinal center B-cell, ND: No data.